/**
* Copyright 2025 Russ White
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Utility functions for Slabby using Effect
*/
import { Effect } from "effect";
/**
* Error for invalid post ID extraction
*/
export class InvalidPostIdError {
readonly _tag = "InvalidPostIdError";
constructor(readonly message: string) {}
}
/**
* Extracts a post ID from either a URL or a direct ID string
* @param input - Either a Slab post URL (e.g., "https://team.slab.com/posts/abc123") or a post ID
* @returns Effect containing the extracted post ID or an error
*/
export function extractPostId(input: string): Effect.Effect<string, InvalidPostIdError> {
return Effect.gen(function* () {
// If it's a URL, extract the post ID from the path
if (input.startsWith("http")) {
const url = yield* Effect.try({
try: () => new URL(input),
catch: (error) => new InvalidPostIdError(`Invalid URL: ${error}`),
});
const pathParts = url.pathname.split("/");
const postId = pathParts[pathParts.length - 1];
if (!postId) {
return yield* Effect.fail(new InvalidPostIdError("Could not extract post ID from URL"));
}
return postId;
}
// Otherwise, assume it's already a post ID
return input;
});
}
